[PATCH 2/3] winebuild: Don't use iretq in syscall dispatcher.

[Zebediah Figura (she/her)]

On 6/3/21 11:33 AM, Jacek Caban wrote:
> On 6/3/21 6:00 PM, Zebediah Figura (she/her) wrote:
>> On 6/3/21 10:56 AM, Zebediah Figura (she/her) wrote:
>>> On 6/3/21 8:02 AM, Jacek Caban wrote:
>>>>
>>>> Signed-off-by: Jacek Caban <jacek at codeweavers.com>
>>>> ---
>>>>      tools/winebuild/import.c | 7 +++----
>>>>      1 file changed, 3 insertions(+), 4 deletions(-)
>>>>
>>>>
>>>
>>> Wait, so what if %rflags or %cs is modified?
>>
>> Eh, never mind, I think I see the point here, shame on me for not
>> reading very well.
>>
>> I'm a bit confused now, though, how is patch 3/3 incorrect?
> 
> 
> Only XMM6-XMM15 are preserved, as required by usual calling convention
> requirements. The rest of FPU/YMM context is not preserved by the 'fast
> path'.
> 

I must be missing something, but doesn't that match the Windows ABI?